51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_SW64_STRING_H
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#define _ASM_SW64_STRING_H
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#ifdef __KERNEL__
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/*
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* GCC of any recent vintage doesn't do stupid things with bcopy.
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* EGCS 1.1 knows all about expanding memcpy inline, others don't.
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*
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* Similarly for a memset with data = 0.
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*/
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#define __HAVE_ARCH_MEMCPY
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extern void *memcpy(void *dest, const void *src, size_t n);
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/* For backward compatibility with modules. Unused otherwise. */
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extern void *__memcpy(void *dest, const void *src, size_t n);
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#define __HAVE_ARCH_MEMMOVE
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extern void *memmove(void *dest, const void *src, size_t n);
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#define __HAVE_ARCH_MEMSET
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extern void *__constant_c_memset(void *s, unsigned long c, size_t n);
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extern void *___memset(void *s, int c, size_t n);
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extern void *__memset(void *s, int c, size_t n);
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extern void *memset(void *s, int c, size_t n);
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#define __HAVE_ARCH_STRCPY
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extern char *strcpy(char *dest, const char *src);
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#define __HAVE_ARCH_STRNCPY
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extern char *strncpy(char *dest, const char *src, size_t n);
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/*
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* The following routine is like memset except that it writes 16-bit
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* aligned values. The DEST and COUNT parameters must be even for
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* correct operation.
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*/
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#define __HAVE_ARCH_MEMSETW
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extern void *__memsetw(void *dest, unsigned short c, size_t count);
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#define memsetw(s, c, n) \
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(__builtin_constant_p(c) \
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? __constant_c_memset((s), 0x0001000100010001UL * (unsigned short)(c), (n)) \
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: __memsetw((s), (c), (n)))
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#endif /* __KERNEL__ */
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#endif /* _ASM_SW64_STRING_H */
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